Buggy code:
public class Leapmotion_init extends TranslatorBlock { public Leapmotion_init ( Long blockId , Translator translator , String codePrefix , String codeSuffix , String label ) { } @ Override public String toCode ( ) throws SocketNullException , SubroutineNotDeclaredException { translator . addHeaderFile ( "Wire.h" ) ; translator . addHeaderFile ( "avr//pgmspace.h" ) ; translator . addDefinitionCommand ( "String<seq2seq4repair_space>inputString<seq2seq4repair_space>=<seq2seq4repair_space>\"\";<seq2seq4repair_space>\n<seq2seq4repair_space>String<seq2seq4repair_space>commandString<seq2seq4repair_space>=<seq2seq4repair_space>\"\";<seq2seq4repair_space>\nint<seq2seq4repair_space>hand_positionX=0;\nint<seq2seq4repair_space>hand_positionY=0;\nint<seq2seq4repair_space>hand_positionZ=0;\nint<seq2seq4repair_space>handRotX=0;\nint<seq2seq4repair_space>handRotY=0;\nint<seq2seq4repair_space>handRotZ=0;\nint<seq2seq4repair_space>angle_pouce=0;\nint<seq2seq4repair_space>angle_index=0;\nint<seq2seq4repair_space>angle_majeur=0;\nint<seq2seq4repair_space>angle_annulaire=0;\nint<seq2seq4repair_space>angle_auriculaire=0;\nboolean<seq2seq4repair_space>stringComplete<seq2seq4repair_space>=<seq2seq4repair_space>false;<seq2seq4repair_space>\n" ) ; translator . addDefinitionCommand ( Leapmotion_init . leapmotionFunctions ) ; translator . addSetupCommand ( "<seq2seq4repair_space>Serial.begin(9600);" ) ; <START_BUG> String ret = "if<seq2seq4repair_space>(stringComplete)<seq2seq4repair_space>{\n" + "<seq2seq4repair_space>inputString.trim();\n<seq2seq4repair_space>int<seq2seq4repair_space>index<seq2seq4repair_space>=<seq2seq4repair_space>inputString.indexOf(\"leapmotion\");\n<seq2seq4repair_space>if(index!=0){\n<seq2seq4repair_space>return;\n<seq2seq4repair_space>}\n<seq2seq4repair_space>int<seq2seq4repair_space>pos0<seq2seq4repair_space>=inputString.indexOf(\':\');\n<seq2seq4repair_space>inputString=inputString.substring(pos0+1);\n<seq2seq4repair_space>pos0<seq2seq4repair_space>=<seq2seq4repair_space>inputString.indexOf(\':\');\n<seq2seq4repair_space>hand_positionX=inputString.substring(0,pos0).toInt();\n<seq2seq4repair_space>inputString=inputString.substring(pos0+1);\n<seq2seq4repair_space>pos0<seq2seq4repair_space>=<seq2seq4repair_space>inputString.indexOf(\':\');\n<seq2seq4repair_space>hand_positionY=inputString.substring(0,pos0).toInt();\n<seq2seq4repair_space>inputString=inputString.substring(pos0+1);\n<seq2seq4repair_space>pos0<seq2seq4repair_space>=<seq2seq4repair_space>inputString.indexOf(\':\');\n<seq2seq4repair_space>hand_positionZ=inputString.substring(0,pos0).toInt();\n<seq2seq4repair_space>inputString=inputString.substring(pos0+1);\n<seq2seq4repair_space>pos0<seq2seq4repair_space>=<seq2seq4repair_space>inputString.indexOf(\':\');\n<seq2seq4repair_space>handRotX=inputString.substring(0,pos0).toInt();\n<seq2seq4repair_space>inputString=inputString.substring(pos0+1);\n<seq2seq4repair_space>pos0<seq2seq4repair_space>=<seq2seq4repair_space>inputString.indexOf(\':\');\n<seq2seq4repair_space>handRotY=inputString.substring(0,pos0).toInt();\n<seq2seq4repair_space>inputString=inputString.substring(pos0+1);\n<seq2seq4repair_space>pos0<seq2seq4repair_space>=<seq2seq4repair_space>inputString.indexOf(\':\');\n<seq2seq4repair_space>handRotZ=inputString.substring(0,pos0).toInt();\n<seq2seq4repair_space>inputString=inputString.substring(pos0+1);\n<seq2seq4repair_space>pos0<seq2seq4repair_space>=<seq2seq4repair_space>inputString.indexOf(\':\');\n<seq2seq4repair_space>angle_pouce=inputString.substring(0,pos0).toInt();\n<seq2seq4repair_space>inputString=inputString.substring(pos0+1);\n<seq2seq4repair_space>pos0<seq2seq4repair_space>=<seq2seq4repair_space>inputString.indexOf(\':\');\n<seq2seq4repair_space>angle_index=inputString.substring(0,pos0).toInt();\n<seq2seq4repair_space>inputString=inputString.substring(pos0+1);\n<seq2seq4repair_space>pos0<seq2seq4repair_space>=<seq2seq4repair_space>inputString.indexOf(\':\');\n<seq2seq4repair_space>angle_majeur=inputString.substring(0,pos0).toInt();\n<seq2seq4repair_space>inputString=inputString.substring(pos0+1);\n<seq2seq4repair_space>pos0<seq2seq4repair_space>=<seq2seq4repair_space>inputString.indexOf(\':\');\n<seq2seq4repair_space>angle_annulaire=inputString.substring(0,pos0).toInt();\n<seq2seq4repair_space>inputString=inputString.substring(pos0+1);\n<seq2seq4repair_space>pos0<seq2seq4repair_space>=<seq2seq4repair_space>inputString.indexOf(\':\');\n<seq2seq4repair_space>angle_auriculaire=inputString.substring(0,pos0).toInt();\n<seq2seq4repair_space>inputString<seq2seq4repair_space>=<seq2seq4repair_space>\"\";\n<seq2seq4repair_space>commandString<seq2seq4repair_space>=<seq2seq4repair_space>\"\";\n<seq2seq4repair_space>stringComplete<seq2seq4repair_space>=<seq2seq4repair_space>false;\n<seq2seq4repair_space>}" ; <END_BUG> return ret ; } private static final String leapmotionFunctions = "\t\tvoid<seq2seq4repair_space>serialEvent()<seq2seq4repair_space>{\n" + ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( "\t<seq2seq4repair_space>while<seq2seq4repair_space>(Serial.available())<seq2seq4repair_space>{\n" + "\t<seq2seq4repair_space>////<seq2seq4repair_space>get<seq2seq4repair_space>the<seq2seq4repair_space>new<seq2seq4repair_space>byte:\n" ) + "\t<seq2seq4repair_space>char<seq2seq4repair_space>inChar<seq2seq4repair_space>=<seq2seq4repair_space>(char)Serial.read();<seq2seq4repair_space>\n" ) + "\t<seq2seq4repair_space>\n" ) + "\t<seq2seq4repair_space>////<seq2seq4repair_space>add<seq2seq4repair_space>it<seq2seq4repair_space>to<seq2seq4repair_space>the<seq2seq4repair_space>inputString:\n" ) + "\t<seq2seq4repair_space>inputString<seq2seq4repair_space>+=<seq2seq4repair_space>inChar;\n" ) + "\t<seq2seq4repair_space>\n" ) + "\t<seq2seq4repair_space>////<seq2seq4repair_space>if<seq2seq4repair_space>the<seq2seq4repair_space>incoming<seq2seq4repair_space>character<seq2seq4repair_space>is<seq2seq4repair_space>a<seq2seq4repair_space>newline,<seq2seq4repair_space>set<seq2seq4repair_space>a<seq2seq4repair_space>flag\n" ) + "\t<seq2seq4repair_space>////<seq2seq4repair_space>so<seq2seq4repair_space>the<seq2seq4repair_space>main<seq2seq4repair_space>loop<seq2seq4repair_space>can<seq2seq4repair_space>do<seq2seq4repair_space>something<seq2seq4repair_space>about<seq2seq4repair_space>it:\n" ) + "\t<seq2seq4repair_space>if<seq2seq4repair_space>(inChar<seq2seq4repair_space>==<seq2seq4repair_space>\'\\n\')<seq2seq4repair_space>{\n" ) + "\t<seq2seq4repair_space>stringComplete<seq2seq4repair_space>=<seq2seq4repair_space>true;\n" ) + "\t<seq2seq4repair_space>\n" ) + "\t<seq2seq4repair_space>////return;\n" ) + "\t<seq2seq4repair_space>}<seq2seq4repair_space>\n" ) + "\t<seq2seq4repair_space>}\n" ) + "\t}\n" ) ; }

Fix:
String ret = "if<seq2seq4repair_space>(stringComplete)<seq2seq4repair_space>{\n" + "<seq2seq4repair_space>inputString.trim();\n<seq2seq4repair_space>int<seq2seq4repair_space>index<seq2seq4repair_space>=<seq2seq4repair_space>inputString.indexOf(\"leapmotion\");\n<seq2seq4repair_space>if(index!=0){\n<seq2seq4repair_space>return;\n<seq2seq4repair_space>}\n<seq2seq4repair_space>int<seq2seq4repair_space>pos0<seq2seq4repair_space>=inputString.indexOf(\':\');\n<seq2seq4repair_space>inputString=inputString.substring(pos0+1);\n<seq2seq4repair_space>pos0<seq2seq4repair_space>=<seq2seq4repair_space>inputString.indexOf(\':\');\n<seq2seq4repair_space>hand_positionX=inputString.substring(0,pos0).toInt();\n<seq2seq4repair_space>inputString=inputString.substring(pos0+1);\n<seq2seq4repair_space>pos0<seq2seq4repair_space>=<seq2seq4repair_space>inputString.indexOf(\':\');\n<seq2seq4repair_space>hand_positionY=inputString.substring(0,pos0).toInt();\n<seq2seq4repair_space>inputString=inputString.substring(pos0+1);\n<seq2seq4repair_space>pos0<seq2seq4repair_space>=<seq2seq4repair_space>inputString.indexOf(\':\');\n<seq2seq4repair_space>hand_positionZ=inputString.substring(0,pos0).toInt();\n<seq2seq4repair_space>inputString=inputString.substring(pos0+1);\n<seq2seq4repair_space>pos0<seq2seq4repair_space>=<seq2seq4repair_space>inputString.indexOf(\':\');\n<seq2seq4repair_space>handRotX=inputString.substring(0,pos0).toInt();\n<seq2seq4repair_space>inputString=inputString.substring(pos0+1);\n<seq2seq4repair_space>pos0<seq2seq4repair_space>=<seq2seq4repair_space>inputString.indexOf(\':\');\n<seq2seq4repair_space>handRotY=inputString.substring(0,pos0).toInt();\n<seq2seq4repair_space>inputString=inputString.substring(pos0+1);\n<seq2seq4repair_space>pos0<seq2seq4repair_space>=<seq2seq4repair_space>inputString.indexOf(\':\');\n<seq2seq4repair_space>handRotZ=inputString.substring(0,pos0).toInt();\n<seq2seq4repair_space>inputString=inputString.substring(pos0+1);\n<seq2seq4repair_space>pos0<seq2seq4repair_space>=<seq2seq4repair_space>inputString.indexOf(\':\');\n<seq2seq4repair_space>angle_pouce=inputString.substring(0,pos0).toInt();\n<seq2seq4repair_space>inputString=inputString.substring(pos0+1);\n<seq2seq4repair_space>pos0<seq2seq4repair_space>=<seq2seq4repair_space>inputString.indexOf(\':\');\n<seq2seq4repair_space>angle_index=inputString.substring(0,pos0).toInt();\n<seq2seq4repair_space>inputString=inputString.substring(pos0+1);\n<seq2seq4repair_space>pos0<seq2seq4repair_space>=<seq2seq4repair_space>inputString.indexOf(\':\');\n<seq2seq4repair_space>angle_majeur=inputString.substring(0,pos0).toInt();\n<seq2seq4repair_space>inputString=inputString.substring(pos0+1);\n<seq2seq4repair_space>pos0<seq2seq4repair_space>=<seq2seq4repair_space>inputString.indexOf(\':\');\n<seq2seq4repair_space>angle_annulaire=inputString.substring(0,pos0).toInt();\n<seq2seq4repair_space>inputString=inputString.substring(pos0+1);\n<seq2seq4repair_space>pos0<seq2seq4repair_space>=<seq2seq4repair_space>inputString.indexOf(\':\');\n<seq2seq4repair_space>angle_auriculaire=inputString.substring(0,pos0).toInt();\n<seq2seq4repair_space>inputString<seq2seq4repair_space>=<seq2seq4repair_space>\"\";\n<seq2seq4repair_space>commandString<seq2seq4repair_space>=<seq2seq4repair_space>\"\";\n<seq2seq4repair_space>stringComplete<seq2seq4repair_space>=<seq2seq4repair_space>false;\n" ;